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Hydrogen evolution based on the electrons/protons stored on amorphous TiO2
Zeng, Shuwen1; Zhang, Ling; Wang, Wenzhong; Shao, Dengkui1; Hao, Hongchang1
2017
发表期刊PHYSICAL CHEMISTRY CHEMICAL PHYSICS
ISSN1463-9076
卷号19期号:43页码:29053
摘要The hydrogen evolution reaction (HER) using recyclable mediator is being actively pursued as a route for solar energy conversion. Herein, we introduce a catalyst mediator (MoS2) that enables proton-coupled electron transfer (PCET) process on the recyclable TiO2 (H+-TiO2/e(-)) to a separate, catalytic hydrogen production step without requiring post-light energy input. This approach supplies a new insight to hydrogen evolution with the recyclable proton-electron pairs, stored at the semiconductor after the light irradiation. It was found that 80% of the electrons stored on TiO2 could be devoted to the reduction of H+ into H-2 on MoS2 nanosheets in the dark. The electron transfer to MoS2 occurs at a rate of 455 lmol h(-1) g(-1) and 947 lmol h(-1) g(-1) in the dark and excited state, respectively.
DOI10.1039/c7cp06067j
WOS记录号WOS:000414773100003
EI入藏号1463-9084
引用统计
文献类型期刊论文
条目标识符http://ir.sic.ac.cn/handle/331005/26628
专题中国科学院上海硅酸盐研究所
作者单位1.Chinese Acad Sci, Shanghai Inst Ceram, State Key Lab High Performance Ceram & Superfine, 1295 Dingxi Rd, Shanghai 200050, Peoples R China
2.Univ Chinese Acad Sci, 19 A Yuquan Rd, Beijing 100049, Peoples R China
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GB/T 7714
Zeng, Shuwen,Zhang, Ling,Wang, Wenzhong,et al. Hydrogen evolution based on the electrons/protons stored on amorphous TiO2[J]. PHYSICAL CHEMISTRY CHEMICAL PHYSICS,2017,19(43):29053.
APA Zeng, Shuwen,Zhang, Ling,Wang, Wenzhong,Shao, Dengkui,&Hao, Hongchang.(2017).Hydrogen evolution based on the electrons/protons stored on amorphous TiO2.PHYSICAL CHEMISTRY CHEMICAL PHYSICS,19(43),29053.
MLA Zeng, Shuwen,et al."Hydrogen evolution based on the electrons/protons stored on amorphous TiO2".PHYSICAL CHEMISTRY CHEMICAL PHYSICS 19.43(2017):29053.
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